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SMTL ID : 1fp2.1
CRYSTAL STRUCTURE ANALYSIS OF ISOFLAVONE O-METHYLTRANSFERASE
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 1.40 Å
Oligo State
homo-dimer
Ligands
2 x
SAH
:
S-ADENOSYL-L-HOMOCYSTEINE
(Non-covalent)
SAH.1:
17 residues within 4Å:
Chain A:
W.151
,
F.164
,
M.168
,
G.196
,
G.198
,
D.219
,
R.220
,
V.223
,
G.238
,
D.239
,
M.240
,
F.241
,
K.253
,
Y.254
,
I.255
,
W.259
Ligands:
HMO.2
16
PLIP interactions
:
16 interactions with chain A
Hydrogen bonds:
A:G.198
,
A:R.220
,
A:D.239
,
A:M.240
,
A:K.253
,
A:K.253
Water bridges:
A:T.202
,
A:T.202
,
A:R.220
,
A:R.220
,
A:K.253
,
A:K.253
,
A:K.253
Salt bridges:
A:K.253
pi-Stacking:
A:W.151
pi-Cation interactions:
A:R.220
SAH.3:
17 residues within 4Å:
Chain B:
W.151
,
F.164
,
M.168
,
G.196
,
G.198
,
D.219
,
R.220
,
V.223
,
G.238
,
D.239
,
M.240
,
F.241
,
K.253
,
Y.254
,
I.255
,
W.259
Ligands:
HMO.4
17
PLIP interactions
:
17 interactions with chain B
Hydrogen bonds:
B:G.198
,
B:R.220
,
B:D.239
,
B:D.239
,
B:M.240
,
B:K.253
,
B:K.253
Water bridges:
B:T.202
,
B:T.202
,
B:R.220
,
B:R.220
,
B:K.253
,
B:K.253
,
B:K.253
Salt bridges:
B:K.253
pi-Stacking:
B:W.151
pi-Cation interactions:
B:R.220
2 x
HMO
:
4'-HYDROXY-7-METHOXYISOFLAVONE
(Non-covalent)
HMO.2:
13 residues within 4Å:
Chain A:
V.118
,
L.123
,
S.124
,
Y.127
,
F.142
,
F.164
,
M.168
,
Y.254
,
H.257
,
N.258
,
N.310
Chain B:
Y.25
Ligands:
SAH.1
6
PLIP interactions
:
5 interactions with chain A
,
1 interactions with chain B
Hydrophobic interactions:
A:L.123
,
A:Y.127
,
A:F.164
Hydrogen bonds:
A:N.258
,
B:Y.25
pi-Stacking:
A:F.142
HMO.4:
13 residues within 4Å:
Chain A:
Y.25
Chain B:
V.118
,
L.123
,
S.124
,
Y.127
,
F.142
,
F.164
,
M.168
,
Y.254
,
H.257
,
N.258
,
N.310
Ligands:
SAH.3
7
PLIP interactions
:
5 interactions with chain B
,
2 interactions with chain A
Hydrophobic interactions:
B:L.123
,
B:Y.127
,
B:F.164
Hydrogen bonds:
B:N.258
,
A:Y.25
,
A:Y.25
pi-Stacking:
B:F.142
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Zubieta, C. et al., Structures of two natural product methyltransferases reveal the basis for substrate specificity in plant O-methyltransferases. Nat.Struct.Biol. (2001)
Release Date
2001-03-07
Peptides
ISOFLAVONE O-METHYLTRANSFERASE:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
A
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ISOFLAVONE O-METHYLTRANSFERASE
Toggle Identical (AB)
Related Entries With Identical Sequence
6cig.1
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